Krampf Videos - Erosion

This video explains how large rocks are transformed into to soil through various methods.

I am curious how you think this video might be useful in your classroom. What do you think about Robert Krampf's approach to explaining "Benchmarks?" Please share your answers in this discussion forum - fogleman

This video from Robert Krampf's Science Education Site. More videos can be found at at http://krampf.com/experiment_vid.html